package thread;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 苏西西
 * Date: 2023-08-29
 * Time: 8:57
 */
class Counter{
    public int count = 0;
   synchronized public void add(){
       synchronized (this) {
           count++;
       }

    }
}
public class ThreadDemo13 {
    public static void main(String[] args) {
        Counter counter = new Counter();
        Thread t1 = new Thread(() ->{
            for (int i = 0; i < 50000; i++) {
                counter.add();
            }
        });
        Thread t2 = new Thread(() ->{
            for (int i = 0; i < 50000; i++) {
                counter.add();
            }
        });
        t1.start();
        t2.start();

        try {
            t1.join();
            t2.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(counter.count);
    }
}
